| File name: | rust-stealer-xss.exe |
| Full analysis: | https://app.any.run/tasks/6b606f4c-8048-4a30-828b-39302c3a4b9e |
| Verdict: | Malicious activity |
| Threats: | Stealers are a group of malicious software that are intended for gaining unauthorized access to users’ information and transferring it to the attacker. The stealer malware category includes various types of programs that focus on their particular kind of data, including files, passwords, and cryptocurrency. Stealers are capable of spying on their targets by recording their keystrokes and taking screenshots. This type of malware is primarily distributed as part of phishing campaigns. |
| Analysis date: | April 24, 2025, 18:41:49 |
| OS: | Windows 10 Professional (build: 19044, 64 bit) |
| Tags: | |
| Indicators: | |
| MIME: | application/vnd.microsoft.portable-executable |
| File info: | PE32 executable (GUI) Intel 80386, for MS Windows, 4 sections |
| MD5: | C4A91BAA7EEBC3F856BA50D20F6CCFD5 |
| SHA1: | 4E2C61AA9BA4BB96638FA0D81FF22D4A4A446DE3 |
| SHA256: | 8AC509A776A326180877DC44636081E21F58C89431477EF2A38DB10AD6BD15D1 |
| SSDEEP: | 98304:yl89K7w8sPbnkPpkM/3Q4ge+z9t2+8VQgexrm5Mx0n34e30fEW1WsTp4PbBqU1XA:9C |
MALICIOUS
RUSTYSTEALER has been detected (YARA)
- rust-stealer-xss.exe (PID: 4428)
Actions looks like stealing of personal data
- rust-stealer-xss.exe (PID: 4428)
Steals credentials from Web Browsers
- rust-stealer-xss.exe (PID: 4428)
SUSPICIOUS
The process hides Powershell's copyright startup banner
- rust-stealer-xss.exe (PID: 4428)
The process hide an interactive prompt from the user
- rust-stealer-xss.exe (PID: 4428)
Checks for external IP
- svchost.exe (PID: 2196)
There is functionality for taking screenshot (YARA)
- rust-stealer-xss.exe (PID: 4428)
The process bypasses the loading of PowerShell profile settings
- rust-stealer-xss.exe (PID: 4428)
Starts POWERSHELL.EXE for commands execution
- rust-stealer-xss.exe (PID: 4428)
There is functionality for VM detection VirtualBox (YARA)
- rust-stealer-xss.exe (PID: 4428)
There is functionality for VM detection VMWare (YARA)
- rust-stealer-xss.exe (PID: 4428)
Process communicates with Telegram (possibly using it as an attacker's C2 server)
- rust-stealer-xss.exe (PID: 4428)
INFO
Reads the computer name
- rust-stealer-xss.exe (PID: 4428)
Checks proxy server information
- rust-stealer-xss.exe (PID: 4428)
Create files in a temporary directory
- rust-stealer-xss.exe (PID: 4428)
Checks supported languages
- rust-stealer-xss.exe (PID: 4428)
Application based on Rust
- rust-stealer-xss.exe (PID: 4428)
Creates files or folders in the user directory
- rust-stealer-xss.exe (PID: 4428)
Attempting to use instant messaging service
- svchost.exe (PID: 2196)
Reads the software policy settings
- rust-stealer-xss.exe (PID: 4428)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
TRiD
| .exe | | | Win32 Executable MS Visual C++ (generic) (46.3) |
|---|---|---|
| .exe | | | Win64 Executable (generic) (41) |
| .exe | | | Win32 Executable (generic) (6.6) |
| .exe | | | Generic Win/DOS Executable (2.9) |
| .exe | | | DOS Executable Generic (2.9) |
EXIF
EXE
| MachineType: | Intel 386 or later, and compatibles |
|---|---|
| TimeStamp: | 2025:04:24 18:40:54+00:00 |
| ImageFileCharacteristics: | Executable, Large address aware, 32-bit |
| PEType: | PE32 |
| LinkerVersion: | 14.4 |
| CodeSize: | 3153920 |
| InitializedDataSize: | 1192960 |
| UninitializedDataSize: | - |
| EntryPoint: | 0x2f5d51 |
| OSVersion: | 6 |
| ImageVersion: | - |
| SubsystemVersion: | 6 |
| Subsystem: | Windows GUI |
Total processes
130
Monitored processes
6
Malicious processes
1
Suspicious processes
0
Behavior graph
Click at the process to see the details
Process information
PID | CMD | Path | Indicators | Parent process | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2196 | C:\WINDOWS\system32\svchost.exe -k NetworkService -p -s Dnscache | C:\Windows\System32\svchost.exe | services.exe | ||||||||||||
User: NETWORK SERVICE Company: Microsoft Corporation Integrity Level: SYSTEM Description: Host Process for Windows Services Version: 10.0.19041.1 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 4428 | "C:\Users\admin\AppData\Local\Temp\rust-stealer-xss.exe" | C:\Users\admin\AppData\Local\Temp\rust-stealer-xss.exe | explorer.exe | ||||||||||||
User: admin Integrity Level: MEDIUM Exit code: 0 Modules
| |||||||||||||||
| 5548 | "powershell.exe" -NoProfile -NonInteractive -NoLogo -Command "[Console]::OutputEncoding = [System.Text.Encoding]::UTF8; Get-Culture | Select -ExpandProperty DisplayName" | C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe | — | rust-stealer-xss.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Windows PowerShell Exit code: 0 Version: 10.0.19041.1 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 7176 | \??\C:\WINDOWS\system32\conhost.exe 0xffffffff -ForceV1 | C:\Windows\System32\conhost.exe | — | powershell.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Console Window Host Exit code: 0 Version: 10.0.19041.1 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 7276 | C:\WINDOWS\system32\SppExtComObj.exe -Embedding | C:\Windows\System32\SppExtComObj.Exe | — | svchost.exe | |||||||||||
User: NETWORK SERVICE Company: Microsoft Corporation Integrity Level: SYSTEM Description: KMS Connection Broker Version: 10.0.19041.3996 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 7308 | "C:\WINDOWS\System32\SLUI.exe" RuleId=3482d82e-ca2c-4e1f-8864-da0267b484b2;Action=AutoActivate;AppId=55c92734-d682-4d71-983e-d6ec3f16059f;SkuId=4de7cb65-cdf1-4de9-8ae8-e3cce27b9f2c;NotificationInterval=1440;Trigger=TimerEvent | C:\Windows\System32\slui.exe | — | SppExtComObj.Exe | |||||||||||
User: NETWORK SERVICE Company: Microsoft Corporation Integrity Level: SYSTEM Description: Windows Activation Client Version: 10.0.19041.1 (WinBuild.160101.0800) Modules
| |||||||||||||||
Total events
4 907
Read events
4 907
Write events
0
Delete events
0
Modification events
Executable files
0
Suspicious files
10
Text files
8
Unknown types
0
Dropped files
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 5548 | powershell.exe | C:\Users\admin\AppData\Local\Temp\__PSScriptPolicyTest_sno5uujk.iby.psm1 | text | |
MD5:D17FE0A3F47BE24A6453E9EF58C94641 | SHA256:96AD1146EB96877EAB5942AE0736B82D8B5E2039A80D3D6932665C1A4C87DCF7 | |||
| 5548 | powershell.exe | C:\Users\admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive | binary | |
MD5:6432C76D07FDFC6A124969CF97CFEF92 | SHA256:2480C3E83DC909707E16C00094CC7BB2DA2B7D4FAE4E62FCEF1990C227050186 | |||
| 4428 | rust-stealer-xss.exe | C:\Users\admin\AppData\Local\Temp\History | binary | |
MD5:0B2213BCE3950F1E95FEEB8E8B3B9543 | SHA256:71DB3D87713A320BA9FD3043392509B430630CFCF574EE84118406D6471CFC5A | |||
| 4428 | rust-stealer-xss.exe | C:\Users\admin\AppData\Local\Temp\CreditCardData | binary | |
MD5:95FFD778940E6DF4846B0B12C8DD5821 | SHA256:21A2DEBD389DB456465DFEFFDB15F0AF3FBC46F007CBA67513A13EB10D14E94F | |||
| 4428 | rust-stealer-xss.exe | C:\Users\admin\AppData\Roaming\Mozilla\Firefox\Profiles\9kie7cg6.default-release\cookies.sqlite-shm | binary | |
MD5:B7C14EC6110FA820CA6B65F5AEC85911 | SHA256:FD4C9FDA9CD3F9AE7C962B0DDF37232294D55580E1AA165AA06129B8549389EB | |||
| 4428 | rust-stealer-xss.exe | C:\Users\admin\AppData\Local\Temp\g8k2pvzuN5T2yQghO1ScOph43lyWA7\user_info.txt | text | |
MD5:DA076E23881031F8927B7D13272B5EEB | SHA256:57FC5AF6E1A742167A52AD465416B49C50D64AE3104E5218ACAFEF0FE855BA45 | |||
| 4428 | rust-stealer-xss.exe | C:\Users\admin\AppData\Local\Temp\Web Data | binary | |
MD5:95FFD778940E6DF4846B0B12C8DD5821 | SHA256:21A2DEBD389DB456465DFEFFDB15F0AF3FBC46F007CBA67513A13EB10D14E94F | |||
| 4428 | rust-stealer-xss.exe | C:\Users\admin\AppData\Local\Temp\g8k2pvzuN5T2yQghO1ScOph43lyWA7\Cookies\Edge_Default_Network.txt | text | |
MD5:124208B1E20B032232A1D2CFD9FB7FB2 | SHA256:11ED4035932D29152B219B2DB1D3F51DBEE23DC21599DBD406B36626B98C5AF6 | |||
| 4428 | rust-stealer-xss.exe | C:\Users\admin\AppData\Local\Temp\g8k2pvzuN5T2yQghO1ScOph43lyWA7\Passwords\Firefox_qnq0haq7.default.txt | text | |
MD5:4C211B9F71FB2F0076AE2C47637E2CB6 | SHA256:0467F00B4C01E39D41BCB60010B7078595C48DDC5F0AF52D90D7BA1DB8A8C178 | |||
| 4428 | rust-stealer-xss.exe | C:\Users\admin\AppData\Local\Temp\Login Data | binary | |
MD5:29A644B1F0D96166A05602FE27B3F4AD | SHA256:BF96902FEB97E990A471492F78EE8386BCF430D66BDAEFDEAFBF912C8CF7CE46 | |||
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
7
TCP/UDP connections
21
DNS requests
15
Threats
4
HTTP requests
PID | Process | Method | HTTP Code | IP | URL | CN | Type | Size | Reputation |
|---|---|---|---|---|---|---|---|---|---|
— | — | GET | 200 | 23.55.236.70:80 | http://crl.microsoft.com/pki/crl/products/MicRooCerAut2011_2011_03_22.crl | unknown | — | — | whitelisted |
— | — | GET | 200 | 23.215.121.133:80 | http://www.microsoft.com/pkiops/crl/MicSecSerCA2011_2011-10-18.crl | unknown | — | — | whitelisted |
5496 | MoUsoCoreWorker.exe | GET | 200 | 23.215.121.133:80 | http://www.microsoft.com/pkiops/crl/MicSecSerCA2011_2011-10-18.crl | unknown | — | — | whitelisted |
4428 | rust-stealer-xss.exe | GET | 200 | 195.201.57.90:80 | http://195.201.57.90:80/?output=json | unknown | — | — | unknown |
7856 | SIHClient.exe | GET | 200 | 2.16.253.202:80 | http://www.microsoft.com/pkiops/crl/Microsoft%20ECC%20Update%20Secure%20Server%20CA%202.1.crl | unknown | — | — | whitelisted |
6544 | svchost.exe | GET | 200 | 23.63.118.230:80 | http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBSAUQYBMq2awn1Rh6Doh%2FsBYgFV7gQUA95QNVbRTLtm8KPiGxvDl7I90VUCEAJ0LqoXyo4hxxe7H%2Fz9DKA%3D | unknown | — | — | whitelisted |
7856 | SIHClient.exe | GET | 200 | 2.16.253.202:80 | http://www.microsoft.com/pkiops/crl/Microsoft%20ECC%20Product%20Root%20Certificate%20Authority%202018.crl | unknown | — | — | whitelisted |
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
Connections
PID | Process | IP | Domain | ASN | CN | Reputation |
|---|---|---|---|---|---|---|
4 | System | 192.168.100.255:138 | — | — | — | whitelisted |
— | — | 20.73.194.208:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | NL | whitelisted |
— | — | 23.55.236.70:80 | crl.microsoft.com | AKAMAI-AS | US | whitelisted |
— | — | 23.215.121.133:80 | www.microsoft.com | AKAMAI-AS | DE | whitelisted |
5496 | MoUsoCoreWorker.exe | 23.215.121.133:80 | www.microsoft.com | AKAMAI-AS | DE | whitelisted |
3216 | svchost.exe | 172.211.123.248:443 | client.wns.windows.com | MICROSOFT-CORP-MSN-AS-BLOCK | FR | whitelisted |
4428 | rust-stealer-xss.exe | 195.201.57.90:80 | ipwho.is | Hetzner Online GmbH | DE | malicious |
6544 | svchost.exe | 40.126.31.128:443 | login.live.com | MICROSOFT-CORP-MSN-AS-BLOCK | IE | whitelisted |
6544 | svchost.exe | 23.63.118.230:80 | ocsp.digicert.com | AKAMAI-AS | DE | whitelisted |
4428 | rust-stealer-xss.exe | 149.154.167.220:443 | api.telegram.org | Telegram Messenger Inc | GB | whitelisted |
DNS requests
Domain | IP | Reputation |
|---|---|---|
settings-win.data.microsoft.com |
| whitelisted |
crl.microsoft.com |
| whitelisted |
google.com |
| whitelisted |
www.microsoft.com |
| whitelisted |
client.wns.windows.com |
| whitelisted |
ipwho.is |
| malicious |
login.live.com |
| whitelisted |
ocsp.digicert.com |
| whitelisted |
api.telegram.org |
| whitelisted |
slscr.update.microsoft.com |
| whitelisted |
Threats
PID | Process | Class | Message |
|---|---|---|---|
2196 | svchost.exe | Potentially Bad Traffic | ET INFO External IP Lookup Domain in DNS Lookup (ipwho .is) |
2196 | svchost.exe | Misc activity | ET HUNTING Telegram API Domain in DNS Lookup |
4428 | rust-stealer-xss.exe | Misc activity | ET HUNTING Observed Telegram API Domain (api .telegram .org in TLS SNI) |
4428 | rust-stealer-xss.exe | Misc activity | ET HUNTING Telegram API Certificate Observed |